Editing Idaho County, Idaho (section)

===National protected areas===
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* [[Bitterroot National Forest]] – (part)
* [[Clearwater National Forest]] – (part)
* [[Frank Church-River of No Return Wilderness]] – (part)
* [[Gospel Hump Wilderness]]
* [[Hells Canyon National Recreation Area]] – (part)
* [[Hells Canyon Wilderness (Oregon and Idaho)|Hells Canyon Wilderness]] – (part)
* [[Nez Perce National Forest]]
* [[Nez Perce National Historical Park]] – (part)
* [[Payette National Forest]] – (part)
* [[Salmon-Challis National Forest]] – (part)
* [[Selway-Bitterroot Wilderness]] – (part)
* [[Wallowa–Whitman National Forest]] – (part)
{{div col end}}

There are {{convert|4,431,720|acre|km2 mi2|lk=in}} of National Forest land within the county, more than in any county (or borough) outside of Alaska. National Forests and their acreage within the county are: [[Nez Perce National Forest]] 2,224,091; [[Clearwater National Forest]] 870,807; [[Payette National Forest]] 804,853; [[Bitterroot National Forest]] 464,108; [[Salmon National Forest]] 66,074; and [[Wallowa National Forest]] 1,787. The Nez Perce National Forest is located entirely within the county's borders, and is the largest National Forest lying within a single county.<ref>[http://www.fs.fed.us/land/staff/lar/2008/TABLE_6.htm Table 6&nbsp;– NFS Acreage by State, Congressional District, and County, September 30, 2008]</ref>